We are offering you the most affordable 3D format - anaglyph video. All you need to watch these 3D videos is a pair of cheap RED/CYAN or RED/BLUE anaglyph glasses. You can buy these in many DVD shops, get a copy of a magazine like National Geographic, Playboy, Maxim, Men's Health, etc. with a free pair of RED/CYAN or RED/BLUE anaglyph glasses inside or purchase them in an Internet shop.
Here are a few nice options we found for you online: